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The three-phase relay protection tester is a new type of miniaturized microcomputer relay protection tester based on the "Technical Conditions for Microcomputer Relay Protection Test Devices" issued ...[Details]
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1. Define an empty pointer function. The parameter of the pointer function is uint8_t type ch typedef void (* usart_recv_callback)(uint8_t ch); 2. Declare this type usart_recv_callback usart1...[Details]
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Under the current circumstances, because informatization of manufacturing industry is the key means to achieve industrialization, the government has attached great importance to it. The Ministry of...[Details]
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Introduction to ADC The 12-bit ADC is a successive approximation analog-to-digital converter. It has up to 19 multiplexed channels and can measure signals from 16 external sources, two internal sourc...[Details]
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Although current mirrors and circuits such as the Howland current source are taught as part of analog circuits, there is still a significant number of engineers who prefer to think in terms of volt...[Details]
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Abstract: DC power supply has made great progress as a test instrument, and many linear DC power supplies with special performance have appeared on the market. This article mainly introduces the ch...[Details]
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For the on-board charging system, the design requirements of DC-DC converters are first pointed out, and the inherent deficiencies of traditional primary-side phase-shifted full-bridge DC-DC conver...[Details]
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Abstract: NJU9207/9208 are three-and-a-half-digit monolithic digital multimeter LSIs produced by New Japan Radio Corporation (NJRC). This article introduces the packaging form, pin function and ...[Details]
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At present, the anti-theft technology of electronic energy meters is becoming more and more important in the energy meter industry. The energy meter markets in different countries and regions require...[Details]
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A converter is a device that converts information sent by a source for a certain purpose. A matrix converter is a new type of AC-AC power converter. Compared with traditional converters, it has the...[Details]
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Samsung said on Monday it has started building a new NAND flash memory chip production line in the country, betting on increased demand for personal computers and servers, Reuters reported. Samsung p...[Details]
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“Education and research technology is advancing at an incredible pace. Molex Connected Enterprise Solutions are uniquely positioned to fully prepare for the infrastructure of the future,” said Adrian...[Details]
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The function of pull-up resistor:
(1) Used to provide driving capability for OC and OD gate circuits.
Take the OC (open collector) circuit as an example:
For example, the Darlington tube (actuall...[Details]
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Espressif Systems recently announced the launch of ESP32-C6 and ESP32-P4, both of which use RISC-V cores. ESP32-C6 ESP32-C6 has a 160MHz RISC-V core for high performance and a 20MHz RISC-V proces...[Details]
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Temperature transducer, using the law of the change of various physical properties of materials with temperature to convert temperature into a usable output signal. Temperature sensor is the core par...[Details]
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